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KMID : 1137020200310030025
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Journal of Gynecologic Oncology
2020 Volume.31 No. 3 p.25 ~ p.25
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Primary sarcoma of the cervix: an analysis of patient and tumor characteristics, treatment patterns, and outcomes
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Albert Ashley
Lee An-Na
Allbright Robert
Vijayakumar Srinivasan
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Abstract
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Objective: Primary sarcoma of the cervix is rare and is associated with worse outcomes as compared to other histologies. The purpose of this study was to identify national treatment patterns and outcomes based on histological subtype using the National Cancer Database (NCDB).
Methods: The NCDB was queried for patients with cervical cancer from 2004?2015. Clinico-demographic treatment details were obtained and compared between patients with squamous cell carcinoma (SCC), adenocarcinoma, and sarcoma of the cervix. Multivariable Cox regression and the Kaplan-Meier method was used to examine survival.
Results: 107,177 patients met inclusion criteria including 81,245 (75.8%) women with SCC, 24,562 (22.9%) women with adenocarcinoma, and 1,370 (1.3%) women with sarcoma. Of the patients with cervical sarcoma, 680 (49.6%) patients had carcinosarcoma or malignant mixed Mullerian tumor, 255 (18.6%) patients had leiomyosarcoma, 197 (14.4%) patients had adenosarcoma, 28 (2.0%) patients had endometrial stromal sarcoma (ESS), 85 (6.2%) patients had rhabdomyosarcoma, and 125 (9.1%) patients had sarcoma not otherwise specified (NOS). Patients with sarcoma were older and more likely to be treated primarily with surgery. On multivariable Cox regression, sarcoma had decreased overall survival (OS) as compared to patients with SCC (hazard ratio=2.17; 95% CI=1.99?2.37; p<0.001). Among patients with sarcoma, 5-year OS was 89.2% for adenosarcoma, 66.2% for rhabdomyosarcoma, 55.6% for leiomyosarcoma, 45.8% for ESS, 31.6% for carcinosarcoma, and 29.2% for sarcoma NOS.
Conclusions: Primary cervical sarcomas have inferior outcomes compared to SCC and adenocarcinoma. Sarcoma NOS and carcinosarcoma have the worst prognosis among sarcoma subtypes.
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KEYWORD
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Sarcoma, Cervix
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